import org.w3c.dom.*;
import org.apache.xerces.parsers.DOMParser;
import java.io.*;

public class SearchElement{
	public static void main(String[] args) {
		try{
			BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
			System.out.print("Enter file name: ");
			String str = bf.readLine();
			File file = new File(str);
			if (file.exists()){
				DOMParser parser = new DOMParser();
				parser.parse(str);
				Document doc = parser.getDocument();
				System.out.print("Enter element that have to count: ");
				String ele = bf.readLine();
				NodeList list = doc.getElementsByTagName(ele);
				if(list.getLength() == 0){
					System.out.println("Element doesn't exist in the " + str + " Document.");
				}
				else{
					System.out.println("Element occurrs " + list.getLength() + " times in the " + str);
				}
			}
			else{
				System.out.println("File not found!");
			}
		}
		catch (Exception e){
			e.getMessage();
		}
	}
}